JP2019030660A - 受け部および受け部を保持するための器具 - Google Patents
受け部および受け部を保持するための器具 Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7032—Screws or hooks with U-shaped head or back through which longitudinal rods pass
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7035—Screws or hooks, wherein a rod-clamping part and a bone-anchoring part can pivot relative to each other
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
- A61B17/7076—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling for driving, positioning or assembling spinal clamps or bone anchors specially adapted for spinal fixation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
- A61B17/8605—Heads, i.e. proximal ends projecting from bone
- A61B17/861—Heads, i.e. proximal ends projecting from bone specially shaped for gripping driver
- A61B17/8615—Heads, i.e. proximal ends projecting from bone specially shaped for gripping driver at the central region of the screw head
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
- A61B17/8605—Heads, i.e. proximal ends projecting from bone
- A61B17/861—Heads, i.e. proximal ends projecting from bone specially shaped for gripping driver
- A61B17/862—Heads, i.e. proximal ends projecting from bone specially shaped for gripping driver at the periphery of the screw head
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
- A61B17/8625—Shanks, i.e. parts contacting bone tissue
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
- A61B17/7083—Tools for guidance or insertion of tethers, rod-to-anchor connectors, rod-to-rod connectors, or longitudinal elements
- A61B17/7086—Rod reducers, i.e. devices providing a mechanical advantage to allow a user to force a rod into or onto an anchor head other than by means of a rod-to-bone anchor locking element; rod removers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
- A61B17/866—Material or manufacture
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
- A61B2017/8655—Pins or screws or threaded wires; nuts therefor with special features for locking in the bone
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Neurology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
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- Animal Behavior & Ethology (AREA)
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- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
Description
Claims (16)
- 骨固定装置(200)の受け部(5)であって、前記受け部(5)は、
第1の端部(5a)と、前記第1の端部とは反対の第2の端部(5b)と、前記第1の端部と前記第2の端部とを通って延在する中心軸(C)と、
骨固定要素(100)を受けるための前記第1の端部(5a)に隣接するチャネル(55)とを備え、前記チャネルは、2つの自由脚部(56a、56b)を形成し、前記受け部(5)は、さらに、
前記中心軸(C)から離れた方を向いた外面部(58)を備え、
少なくとも1つの凸部(50)は、前記外面部(58)上に形成され、前記凸部は、器具(60)の篏合する係合凹部(14)によって、前記器具と前記受け部との間に形状嵌め係合を提供するために係合されるように構成され、前記少なくとも1つの凸部(50)は、前記第1の端部(5a)に向かって前記中心軸(C)に平行な方向にテーパーのついた形状を含む、受け部(5)。 - 前記少なくとも1つの凸部は、前記第1の端部(5a)から離れて形成される、請求項1に記載の受け部(5)。
- 前記少なくとも1つの凸部は、前記中心軸(C)に対して垂直に見て一般に三角形の形状を有する、請求項1または請求項2に記載の受け部(5)。
- 前記受け部(5)の前記外面部(58)は、その少なくともその一部において、前記少なくとも1つの凸部(50)が形成される、一般に円筒形の輪郭を有する、上述の請求項のいずれか1項に記載の受け部(5)。
- 前記少なくとも1つの凸部(50)は、前記受け部に取り付けられるときに前記器具(60)を導き整列させるように構成される、前記受け部の前記外面部(58)から前記中心軸(C)とは離れる方向に延在する第1の側壁(503)および第2の側壁(504)を含み、
前記第1の側壁および第2の側壁は、前記中心軸(C)に平行な方向に対して傾斜される、上述の請求項のいずれか1項に記載の受け部(5)。 - 前記第1の側壁および第2の側壁は、前記中心軸(C)に平行な軸の周りに互いに対して対称的となるように配置される、請求項5に記載の受け部(5)。
- 前記第1の側壁と前記第2の側壁との間の前記中心軸(C)の周りの周方向の前記少なくとも1つの凸部の幅は、前記第1の端部(5a)に向かう方向に減少する、請求項5または請求項6に記載の受け部(5)。
- 前記第1の側壁および第2の側壁は、前記受け部の前記第1の端部(5a)に向かう前記少なくとも1つの凸部の先端部において互いに近づき、前記先端部は、面取りされる、請求項5〜請求項7のいずれか1項に記載の受け部(5)。
- 前記少なくとも1つの凸部は、前記受け部の前記脚部の各々の幅よりも小さい周方向の幅を有し、前記少なくとも1つの凸部は、前記チャネルから離れて形成される、上述の請求項のいずれか1項に記載の受け部(5)。
- 前記少なくとも1つの凸部(50)は、前記受け部の前記外面部(58)から延在し前記受け部の前記第2の端部(5b)を向く第3の側壁(502)を有し、前記第3の側壁は、アンダーカットを設けられ、および/または、
前記凸部(50)が2つ設けられ、凸部(50)の各々は、前記脚部(56a、56b)の各々にそれぞれ配置され、および/または、
ボア(51)は、前記第1の端部(5a)から前記第2の端部(5b)の方向に延在し前記チャネル(55)と連通する、上述の請求項のいずれか1項に記載の受け部(5)。 - 骨固定装置(200)の受け部(5)ともに使用されるための器具(60)であって、前記受け部は、
第1の端部(5a)と、前記第1の端部とは反対の第2の端部(5b)と、前記第1の端部と前記第2の端部とを通って延在する中心軸(C)と、脊髄固定要素(100)を受けるための前記第1の端部(5a)に隣接するチャネル(55)とを備え、前記チャネルは、2つの自由脚部(56a、56b)を形成し、前記受け部は、さらに前記中心軸(C)から離れた方を向いた外面部を備え、少なくとも1つの凸部(50)は、前記外面部(58)上に形成され、前記第1の端部(5a)に向かって前記中心軸(C)に平行な方向にテーパーのついた形状を含み、前記器具は、
前記受け部(5)を保持するように構成される管状の保持部材(10)を備え、
前記保持部材(10)は、第1の腕部(12a)および第2の腕部(12b)を備え、前記第1の腕部(12a)および前記第2の腕部(12b)は、受け部(5)が前記第1の腕部(12a)と前記第2の腕部(12b)との間に挿入可能である開位置と、受け部(5)が前記第1の腕部(12a)と前記第2の腕部(12b)との間に保持される閉位置との間で互いに対して移動可能であり、前記保持部材(10)は、前記腕部(12a、12b)のうちの少なくとも1つにおいて係合凹部(14)を備え、前記腕部(12a、12b)のうちの少なくとも1つは、前記受け部(5)の前記少なくとも1つの凸部(50)を前記器具(60)と前記受け部(5)との間で形状嵌め係合で受けるように適合される、器具。 - 対向する側壁(152)を備えるガイディングチャネル(15)は、前記腕部(12a、12b)の内壁部(16、16a、16b)内に形成され、前記ガイディングチャネル(15)は、前記腕部(12a、12b)のうちの対応するものの遠位端部(10a、10b)と前記係合凹部(14)との間に延在し、前記少なくとも凸部(50)をそこを通って前記係合凹部(14)へと向かって導くための形状にされる、請求項11に記載の器具(60)。
- 前記少なくとも1つの凸部(50)が前記ガイディングチャネル(15)内に導入され導かれるときに、前記腕部(12a、12b)は、前記開位置に展開され、一方、前記少なくとも1つの凸部(50)が前記係合凹部(14)内に受けられると、前記腕部(12a、12b)は、前記閉位置にはまりこむ、請求項12に記載の器具(60)。
- 前記ガイディングチャネル(15)の底面(151)は、管状の保持部材(10)の中心軸(F)に対して傾斜される、請求項12または請求項13に記載の器具(60)。
- 前記内壁部(16、16a、16b)は、実質的に円筒形の輪郭を設けられ、前記受け部(5)の一般に円筒形の輪郭と篏合する、請求項11〜請求項14のいずれか1項に記載の器具(60)。
- 請求項1〜請求項10のいずれか1項に記載の受け部(5)および請求項1〜請求項15のいずれか1項に記載の器具(60)を備えるシステム。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201762542674P | 2017-08-08 | 2017-08-08 | |
US62/542,674 | 2017-08-08 | ||
EP17185421.9A EP3441028B1 (en) | 2017-08-08 | 2017-08-08 | Receiving part and instrument for holding the receiving part |
EP17185421.9 | 2017-08-08 |
Publications (2)
Publication Number | Publication Date |
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JP2019030660A true JP2019030660A (ja) | 2019-02-28 |
JP7208736B2 JP7208736B2 (ja) | 2023-01-19 |
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JP2018146550A Active JP7208736B2 (ja) | 2017-08-08 | 2018-08-03 | 骨固定装置の受け部とともに使用されるための器具、ならびに受け部および器具を備えるシステム |
Country Status (4)
Country | Link |
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US (2) | US11197695B2 (ja) |
EP (1) | EP3441028B1 (ja) |
JP (1) | JP7208736B2 (ja) |
CN (1) | CN109381251B (ja) |
Families Citing this family (2)
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AU2010260521C1 (en) * | 2008-08-01 | 2013-08-01 | Roger P. Jackson | Longitudinal connecting member with sleeved tensioned cords |
EP3441028B1 (en) * | 2017-08-08 | 2021-10-06 | Biedermann Technologies GmbH & Co. KG | Receiving part and instrument for holding the receiving part |
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2017
- 2017-08-08 EP EP17185421.9A patent/EP3441028B1/en active Active
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2018
- 2018-08-03 CN CN201810874004.0A patent/CN109381251B/zh active Active
- 2018-08-03 JP JP2018146550A patent/JP7208736B2/ja active Active
- 2018-08-06 US US16/055,691 patent/US11197695B2/en active Active
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JP7208736B2 (ja) | 2023-01-19 |
US11197695B2 (en) | 2021-12-14 |
US20190046240A1 (en) | 2019-02-14 |
EP3441028B1 (en) | 2021-10-06 |
EP3441028A1 (en) | 2019-02-13 |
CN109381251A (zh) | 2019-02-26 |
CN109381251B (zh) | 2021-08-24 |
US20220133362A1 (en) | 2022-05-05 |
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